Cita APA (7th ed.)

DWIJATMOKO, B. (1990). Communicative grammar practice (for first year english department university students). Kanisius.

Cita Chicago (17th ed.)

DWIJATMOKO, B.B. Communicative Grammar Practice (for First Year English Department University Students). Yogyakarta: Kanisius, 1990.

Cita MLA (9th ed.)

DWIJATMOKO, B.B. Communicative Grammar Practice (for First Year English Department University Students). Kanisius, 1990.